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Construction method for offshore deeply-buried steel pipe branch pile
The invention relates to a construction method of an offshore deeply-buried steel pipe branch pile. A) welding a supporting plate bottom plate to the middle of the steel pipe pile to manufacture a steel pipe supporting plate pile; b) cutting foundation soil at the pile position and stirring with water to generate a mixture with flowability; c) sucking and pumping the mixture out of a pile foundation construction influence range; d) repeating the step b) and the step c) to finish pit construction; e) driving the steel pipe branch pile into the soil pit; f) cutting away foundation soil, adding water, and stirring to obtain a mixture with flowability; (g) the mixture generated in the step (f) is sucked and pumped into a soil pit, the soil pit is backfilled, and construction of the steel pipe branch pile is completed. The combined action of the branch bottom plate and the steel pipe pile is used for providing pressure-resistant, anti-sliding and anti-overturning bearing capacity, the bearing capacity of a single pile is greatly improved, the length of the steel pipe pile is shortened, the speed is high, the cost is low, and the quality is reliable.
本发明涉及一种海上深埋钢管支盘桩施工方法，主要步骤包括；a)将钢管桩中部焊接支盘底板制作钢管支盘桩；b)在桩位处切削地基土并与水搅拌，生成具备流动性的混合物；c)将混合物抽吸泵送至桩基础施工影响范围之外；d)重复步骤b)与步骤c)，完成土坑施工；e)将钢管支盘桩打入土坑中；f)切削远处地基土并掺水搅拌成具备流动性的混合物；g)将步骤f)中产生的混合物抽吸泵送至土坑，回填土坑，完成钢管支盘桩施工，本发明利用支盘底板与钢管桩共同作用提供抗压、抗滑移、抗倾覆承载力，大幅度提高了单桩承载力，缩减了钢管桩的长度，速度快、成本低，质量可靠。
Construction method for offshore deeply-buried steel pipe branch pile
The invention relates to a construction method of an offshore deeply-buried steel pipe branch pile. A) welding a supporting plate bottom plate to the middle of the steel pipe pile to manufacture a steel pipe supporting plate pile; b) cutting foundation soil at the pile position and stirring with water to generate a mixture with flowability; c) sucking and pumping the mixture out of a pile foundation construction influence range; d) repeating the step b) and the step c) to finish pit construction; e) driving the steel pipe branch pile into the soil pit; f) cutting away foundation soil, adding water, and stirring to obtain a mixture with flowability; (g) the mixture generated in the step (f) is sucked and pumped into a soil pit, the soil pit is backfilled, and construction of the steel pipe branch pile is completed. The combined action of the branch bottom plate and the steel pipe pile is used for providing pressure-resistant, anti-sliding and anti-overturning bearing capacity, the bearing capacity of a single pile is greatly improved, the length of the steel pipe pile is shortened, the speed is high, the cost is low, and the quality is reliable.
本发明涉及一种海上深埋钢管支盘桩施工方法，主要步骤包括；a)将钢管桩中部焊接支盘底板制作钢管支盘桩；b)在桩位处切削地基土并与水搅拌，生成具备流动性的混合物；c)将混合物抽吸泵送至桩基础施工影响范围之外；d)重复步骤b)与步骤c)，完成土坑施工；e)将钢管支盘桩打入土坑中；f)切削远处地基土并掺水搅拌成具备流动性的混合物；g)将步骤f)中产生的混合物抽吸泵送至土坑，回填土坑，完成钢管支盘桩施工，本发明利用支盘底板与钢管桩共同作用提供抗压、抗滑移、抗倾覆承载力，大幅度提高了单桩承载力，缩减了钢管桩的长度，速度快、成本低，质量可靠。
Construction method for offshore deeply-buried steel pipe branch pile
一种海上深埋钢管支盘桩施工方法
ZHANG JIHONG (author)
2023-06-23
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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